Bow holster



FIG. 1 is a perspective view of a bow holster, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top plan view thereof. 

The ornamental design for a bow holster, as shown and described. 